diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c2b207..ac7c403 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## Unreleased
 
+## [v0.0.6](https://github.com/muellerbbm-vas/grivet/compare/v0.0.5...v0.0.6) - 2019-10-23
+
+### Fixed
+
+- Correct return type of `related*` accessors
+
 ## [v0.0.5](https://github.com/muellerbbm-vas/grivet/compare/v0.0.4...v0.0.5) - 2019-08-27
 
 ### Fixed
diff --git a/src/index.ts b/src/index.ts
index 15a55dc..e5a2fa1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -238,11 +238,11 @@ export namespace JsonApi {
   export type Links = { [linkName: string]: Link };
 
   /** @hidden */
-  type RelationshipToResource = { [relationshipName: string]: Resource };
+  type RelationshipToResource = { [relationshipName: string]: Promise<Resource> };
   /** @hidden */
-  type RelationshipToResources = { [relationshipName: string]: Resource[] };
+  type RelationshipToResources = { [relationshipName: string]: Promise<Resource[]> };
   /** @hidden */
-  type RelationshipToDocument = { [relationshipName: string]: Document };
+  type RelationshipToDocument = { [relationshipName: string]: Promise<Document> };
 
   /** @hidden */
   class RelatedResourceAccessor<T extends RelationshipToResource> implements ProxyHandler<T> {